Description
Specifications
Voltage 15.2V,
Capacity 4400mAh/67Wh,
Number of Cells/type 4 (Li-Poly),
Colour Black,
Compatible Part Numbers
- 5B10X19047
- 5B10X19048
- 5B10X19049
- 5B10X19050
- L19C4P71
- L19M4P71
- L19L4P71
Compatible Devices
- ThinkPad P1 3rd Gen Type 20TH
- ThinkPad P1 3rd Gen Type 20TJ
- ThinkPad X1 Extreme 3rd Gen Type 20TK
- ThinkPad X1 Extreme 3rd Gen Type 20TL
Tips to Extend Your Battery’s Lifespan
1. Keep it cool – heat is the biggest cause of battery wear, so avoid leaving your Lenovo laptop in direct sun, a hot car, or on soft surfaces that block the vents.
2. Avoid charging to 100% every time – many Lenovo laptops have a battery conservation mode in Lenovo Vantage that limits charging to around 80%, which can roughly double your battery’s usable lifespan.
3. Don’t let it run flat – regularly draining the battery to 0% wears it out much faster than topping up before it gets critically low.
4. Store at around 50% charge – if you won’t be using the laptop for a few weeks or more, store it half-charged in a cool, dry place rather than fully charged or fully empty.
5. Go easy on fast charging – rapid chargers generate extra heat, so standard charging (especially overnight or while idle) is gentler on the battery over time.









